A massive sea stack famous for its appearance in The Goonies.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

Home to several unusual artifacts, including a huge painting of George Washington.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

All that remains of a gigantic earth-moving machine.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

One of the last few period-correct, hand-operated canal locks in the country.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

An office built to look like a giant basket.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A miniature world of concrete and stone in Springfield, Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

One man's quest to save his town with a trail of record-breaking sculptures.

This metal disk commemorates the birth of a historic American holiday.